Virus
Viruses
Viruses 001
Bacteria Viruses
Lesson 7: Viruses. What are viruses? Viruses: small, non-living, infectious particles containing genetic material in the form of DNA or RNA with a protein.
B ACTERIA & V IRUSES W HAT ARE THE C HARACTERISTICS OF O RGANISMS ? 1. All living things are composed of cells 2. All living things perform certain chemical.
Viruses & Bacteria Biology 20 This Powerpoint is hosted on Please visit for 1000+ free powerpoints.
Viruses & Bacteria Chapter 20 Biology. What are Viruses A virus is a non-cellular particle made up of genetic material and protein that can invade living.
Viruses & Bacteria. What are Viruses A virus is a non-cellular particle made up of genetic material and protein that can invade living cells.
B ACTERIA & V IRUSES Review of Past Knowledge W HAT ARE THE C HARACTERISTICS OF O RGANISMS ? 1. All living things are composed of cells 2. All living.
